JEGS 555-630608 GM 10 & 12 Bolt Rear Disc Brake Conversion Kit Includes:

• (2) Hubless 10 Hole, 11 in. Diameter Plain Rotors Drilled w/ 5 x 4.750 in. & 5 x 4.500 in. Dual Bolt Patterns and 7/16 in. Diameter Wheel Stud Holes
• (1 Set) Loaded Raw Calipers Left/Driver Side and Right/Passenger Side w/Brake Pads/li>
• (2) 10 mm Rubber Brake Hoses
• (2) 10 mm Banjo Bolts
• (4) 10 mm Copper Washers
• (6) 3/8 in. -24 x 50 Bolts
• (6) 3/8 in. -24 Lock Nuts
• (6) 20 x 10.5 x 2 Washers
• (2) Brake Hose Clips
• (1 box) Left & Right Caliper Brackets
• (6) Shims
• (2) Brake Hose Mounting Tabs
• (2) Square Backing Plates/Axle Flange

JEGS 555-630608 GM 10 & 12 Bolt Rear Disc Brake Conversion Kit Notes:

• For Leaf Springs with One Shock Forward and One Shock Behind the Rear Axle
• Does Not Fit S-10 Chassis or Truck Frames
• The installation of disc brakes will require the use of 15 in. wheels
• This brake conversion kit will not work with 14 in. wheels
• Designed Only for 1968-1969 F-Body Cars & 1968-1974 X Bodies
• Maximum Diameter of 6.11 in. to Fit Rotor Hat
• 0.050 in. x 45-degree Chamfer 
• 2.786 in. Max Register Axle

Special Note: Staggered shock rear axles require you to mount the driver’s side brake caliper towards the front of the car and the passenger side brake caliper towards the rear of the car.